Foster spent much of his career directing television sitcoms, especially during the 1970s and 1980s.[1] He directed 43 episodes of the sitcom, Benson, between 1982 and 1986.[2] Foster also directed 36 separate episodes of NBC's Amen, which starred Sherman Hemsley and Clifton Davis, between 1986 and 1989.[2] Foster largely retired after directing 23 episodes of the ABC television series, Full House, from 1989 to 1990.[2]

Foster died of cancer on February 2, 2011, in Los Angeles, California, at the age of 78.[1] He was survived by his wife, Lynn, and children, Julia, Susan and Michael.[1]